Question

write first four terms of an A.P.when (a) a=10 d=10​

Answer 1

Step-by-step explanation:

tn=10+(4-1)10

10+30=40 is the answer of this question

Answer 2

Answer:

given,

a= 10 and d= 10

a1=a = 10

a2= a+d = 10+10

=20

a3= a+2d= 10+2(10)

= 10+20 = 30

a4 = a+3d= 10+3(10)

=10+30 = 40

so the first 4 terms of a.p is 10,20,30,40...........